Rohde & Schwarz SML01 - Page 282

Test sequence R&S®SML / R&S®SMV03
1090.3123.12 10.32 E-6
MPX deviation, pilot tone level and RDS subcarrier
Test setup  Test setup 6
Settings on R&S SML / R&S
SMV03
- PRESET
- FREQ Measurement frequency
- LEVEL 0 dBm
- MODULATION STEREO, Source LFGEN, AF=1kHz
- ARI State ON
- ARI Identification OFF
- Measurement frequency: 10.7MHz, 66MHz, 76MHz, 87MHz,
98MHz, 110MHz
Settings on FMB - DEMODULATOR FM-STEREO
- ABSOLUTE
- DETECTOR +-PEAK/2
- CHANNEL L, PILOT, MORE CARR 57kHz
Measurement  Read off the respective deviation from the FMB
Check to tol. < 2.5%, for ARI < 6%
Preemphasis
Test setup  Test setup 6
Settings on R&S SML / R&S
SMV03
- PRESET
- FREQ 98MHz
- LEVEL 0 dBm
- MODULATION STEREO, Source intern LFGEN
- MODE L=R
- MPX-Hub 10 kHz
- PREEMPHASE OFF / 50 us / 75 us
Setting on FMB - DEMODULATOR FM-STEREO
- RELATIVE
- UNIT dBm
- DETECTOR +-PEAK/2
- CHANNEL L
Measurement  Note the reference level at
preemphasis OFF, AF = 100 Hz
 AF = 15 kHz
Preemphasis 50us: Target level = +13.66dB
Preemphasis 75us: Target level = +17.07dB
Check manufacture tol. < 0.5dB